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<title>class RDoc::Parser::RipperStateLex - rdoc: Ruby Standard Library Documentation</title>


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    <li ><a href="#method-c-end-3F">::end?</a>
    <li ><a href="#method-c-new">::new</a>
    <li ><a href="#method-c-parse">::parse</a>
    <li ><a href="#method-i-get_embdoc_tk">#get_embdoc_tk</a>
    <li ><a href="#method-i-get_heredoc_tk">#get_heredoc_tk</a>
    <li ><a href="#method-i-get_op_tk">#get_op_tk</a>
    <li ><a href="#method-i-get_regexp_tk">#get_regexp_tk</a>
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    <div id='extraz'><div class='adzbox-index'  >
      
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    <main role="main" aria-labelledby="class-RDoc::Parser::RipperStateLex">
    <h1 id="class-RDoc::Parser::RipperStateLex" class="class">
      class RDoc::Parser::RipperStateLex
    </h1>

    <section class="description">
    
    </section>

      <section id="5Buntitled-5D" class="documentation-section">


      <section class="constants-list">
      <header>
      <h3>Constants</h3>
      </header>
      <dl>
          <dt id="EXPR_ARG">EXPR_ARG
          <dd>
          <dt id="EXPR_ARG_ANY">EXPR_ARG_ANY
          <dd>
          <dt id="EXPR_BEG">EXPR_BEG
          <dd>
          <dt id="EXPR_BEG_ANY">EXPR_BEG_ANY
          <dd>
          <dt id="EXPR_CLASS">EXPR_CLASS
          <dd>
          <dt id="EXPR_CMDARG">EXPR_CMDARG
          <dd>
          <dt id="EXPR_DOT">EXPR_DOT
          <dd>
          <dt id="EXPR_END">EXPR_END
          <dd>
          <dt id="EXPR_ENDARG">EXPR_ENDARG
          <dd>
          <dt id="EXPR_ENDFN">EXPR_ENDFN
          <dd>
          <dt id="EXPR_END_ANY">EXPR_END_ANY
          <dd>
          <dt id="EXPR_FITEM">EXPR_FITEM
          <dd>
          <dt id="EXPR_FNAME">EXPR_FNAME
          <dd>
          <dt id="EXPR_LABEL">EXPR_LABEL
          <dd>
          <dt id="EXPR_LABELED">EXPR_LABELED
          <dd>
          <dt id="EXPR_MID">EXPR_MID
          <dd>
          <dt id="EXPR_NONE">EXPR_NONE
          <dd>
          <dt id="EXPR_VALUE">EXPR_VALUE
          <dd>
          <dt id="RIPPER_HAS_LEX_STATE">RIPPER_HAS_LEX_STATE
          <dd><p>TODO: Remove this constants after Ruby 2.4 EOL</p>
          <dt id="Token">Token
          <dd>
        </dl>
        </section>



                <section id="public-class-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Public Class Methods</h3>
                </header>

                  <div id="method-c-end-3F" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">end?</span><span
                                class="method-args">(token)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="end-3F-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 587</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier ruby-title">end?</span>(<span class="ruby-identifier">token</span>)
  (<span class="ruby-identifier">token</span>[<span class="ruby-value">:state</span>] <span class="ruby-operator">&amp;</span> <span class="ruby-constant">EXPR_END</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-c-new" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">new</span><span
                                class="method-args">(code)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="new-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 568</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">code</span>)
  <span class="ruby-ivar">@buf</span> = []
  <span class="ruby-ivar">@heredoc_queue</span> = []
  <span class="ruby-ivar">@inner_lex</span> = <span class="ruby-constant">InnerStateLex</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">code</span>)
  <span class="ruby-ivar">@tokens</span> = <span class="ruby-ivar">@inner_lex</span>.<span class="ruby-identifier">parse</span>([])
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-c-parse" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">parse</span><span
                                class="method-args">(code)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="parse-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 575</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier ruby-title">parse</span>(<span class="ruby-identifier">code</span>)
  <span class="ruby-identifier">lex</span> = <span class="ruby-keyword">self</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">code</span>)
  <span class="ruby-identifier">tokens</span> = []
  <span class="ruby-keyword">begin</span>
    <span class="ruby-keyword">while</span> <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">lex</span>.<span class="ruby-identifier">get_squashed_tk</span>
      <span class="ruby-identifier">tokens</span>.<span class="ruby-identifier">push</span> <span class="ruby-identifier">tk</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">rescue</span> <span class="ruby-constant">StopIteration</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">tokens</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                          </section>

                <section id="public-instance-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Public Instance Methods</h3>
                </header>

                  <div id="method-i-get_squashed_tk" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_squashed_tk</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_squashed_tk-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 317</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_squashed_tk</span>
  <span class="ruby-keyword">if</span> <span class="ruby-ivar">@buf</span>.<span class="ruby-identifier">empty?</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-ivar">@tokens</span>.<span class="ruby-identifier">shift</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-ivar">@buf</span>.<span class="ruby-identifier">shift</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">return</span> <span class="ruby-keyword">nil</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">tk</span>.<span class="ruby-identifier">nil?</span>
  <span class="ruby-keyword">case</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>]
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_symbeg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_symbol_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_tstring_beg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_string_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_backtick</span> <span class="ruby-keyword">then</span>
    <span class="ruby-keyword">if</span> (<span class="ruby-identifier">tk</span>[<span class="ruby-value">:state</span>] <span class="ruby-operator">&amp;</span> (<span class="ruby-constant">EXPR_FNAME</span> <span class="ruby-operator">|</span> <span class="ruby-constant">EXPR_ENDFN</span>)) <span class="ruby-operator">!=</span> <span class="ruby-value">0</span>
      <span class="ruby-ivar">@inner_lex</span>.<span class="ruby-identifier">lex_state</span> = <span class="ruby-constant">EXPR_ARG</span> <span class="ruby-keyword">unless</span> <span class="ruby-constant">RIPPER_HAS_LEX_STATE</span>
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] = <span class="ruby-value">:on_ident</span>
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-constant">Ripper</span><span class="ruby-operator">::</span><span class="ruby-constant">Lexer</span>.<span class="ruby-identifier">const_defined?</span>(<span class="ruby-value">:State</span>) <span class="ruby-operator">?</span> <span class="ruby-constant">Ripper</span><span class="ruby-operator">::</span><span class="ruby-constant">Lexer</span><span class="ruby-operator">::</span><span class="ruby-constant">State</span>.<span class="ruby-identifier">new</span>(<span class="ruby-constant">EXPR_ARG</span>) <span class="ruby-operator">:</span> <span class="ruby-constant">EXPR_ARG</span>
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_string_tk</span>(<span class="ruby-identifier">tk</span>)
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_regexp_beg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_regexp_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_embdoc_beg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_embdoc_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_heredoc_beg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-ivar">@heredoc_queue</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">retrieve_heredoc_info</span>(<span class="ruby-identifier">tk</span>)
    <span class="ruby-ivar">@inner_lex</span>.<span class="ruby-identifier">lex_state</span> = <span class="ruby-constant">EXPR_END</span> <span class="ruby-keyword">unless</span> <span class="ruby-constant">RIPPER_HAS_LEX_STATE</span>
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_nl</span>, <span class="ruby-value">:on_ignored_nl</span>, <span class="ruby-value">:on_comment</span>, <span class="ruby-value">:on_heredoc_end</span> <span class="ruby-keyword">then</span>
    <span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-ivar">@heredoc_queue</span>.<span class="ruby-identifier">empty?</span>
      <span class="ruby-identifier">get_heredoc_tk</span>(<span class="ruby-operator">*</span><span class="ruby-ivar">@heredoc_queue</span>.<span class="ruby-identifier">shift</span>)
    <span class="ruby-keyword">elsif</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>].<span class="ruby-identifier">nil?</span> <span class="ruby-comment"># :on_ignored_nl sometimes gives nil</span>
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-string">&#39;&#39;</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_words_beg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_words_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_qwords_beg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_words_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_symbols_beg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_words_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_qsymbols_beg</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_words_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">:on_op</span> <span class="ruby-keyword">then</span>
    <span class="ruby-keyword">if</span> <span class="ruby-string">&#39;&amp;.&#39;</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] = <span class="ruby-value">:on_period</span>
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_op_tk</span>(<span class="ruby-identifier">tk</span>)
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">tk</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                          </section>

                <section id="private-instance-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Private Instance Methods</h3>
                </header>

                  <div id="method-i-get_embdoc_tk" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_embdoc_tk</span><span
                                class="method-args">(tk)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_embdoc_tk-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 460</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_embdoc_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-identifier">string</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
  <span class="ruby-keyword">until</span> <span class="ruby-value">:on_embdoc_end</span> <span class="ruby-operator">==</span> (<span class="ruby-identifier">embdoc_tk</span> = <span class="ruby-identifier">get_squashed_tk</span>)[<span class="ruby-value">:kind</span>] <span class="ruby-keyword">do</span>
    <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">embdoc_tk</span>[<span class="ruby-value">:text</span>]
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">embdoc_tk</span>[<span class="ruby-value">:text</span>]
  <span class="ruby-constant">Token</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">tk</span>.<span class="ruby-identifier">line_no</span>, <span class="ruby-identifier">tk</span>.<span class="ruby-identifier">char_no</span>, <span class="ruby-value">:on_embdoc</span>, <span class="ruby-identifier">string</span>, <span class="ruby-identifier">embdoc_tk</span>.<span class="ruby-identifier">state</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-get_heredoc_tk" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_heredoc_tk</span><span
                                class="method-args">(heredoc_name, indent)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_heredoc_tk-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 469</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_heredoc_tk</span>(<span class="ruby-identifier">heredoc_name</span>, <span class="ruby-identifier">indent</span>)
  <span class="ruby-identifier">string</span> = <span class="ruby-string">&#39;&#39;</span>
  <span class="ruby-identifier">start_tk</span> = <span class="ruby-keyword">nil</span>
  <span class="ruby-identifier">prev_tk</span> = <span class="ruby-keyword">nil</span>
  <span class="ruby-keyword">until</span> <span class="ruby-identifier">heredoc_end?</span>(<span class="ruby-identifier">heredoc_name</span>, <span class="ruby-identifier">indent</span>, <span class="ruby-identifier">tk</span> = <span class="ruby-ivar">@tokens</span>.<span class="ruby-identifier">shift</span>) <span class="ruby-keyword">do</span>
    <span class="ruby-identifier">start_tk</span> = <span class="ruby-identifier">tk</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">start_tk</span>
    <span class="ruby-keyword">if</span> (<span class="ruby-identifier">prev_tk</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-keyword">or</span> <span class="ruby-string">&quot;\n&quot;</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">prev_tk</span>[<span class="ruby-value">:text</span>][<span class="ruby-value">-1</span>]) <span class="ruby-keyword">and</span> <span class="ruby-value">0</span> <span class="ruby-operator">!=</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:char_no</span>]
      <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> (<span class="ruby-string">&#39; &#39;</span> <span class="ruby-operator">*</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:char_no</span>])
    <span class="ruby-keyword">end</span>
    <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
    <span class="ruby-identifier">prev_tk</span> = <span class="ruby-identifier">tk</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">start_tk</span> = <span class="ruby-identifier">tk</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">start_tk</span>
  <span class="ruby-identifier">prev_tk</span> = <span class="ruby-identifier">tk</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">prev_tk</span>
  <span class="ruby-ivar">@buf</span>.<span class="ruby-identifier">unshift</span> <span class="ruby-identifier">tk</span> <span class="ruby-comment"># closing heredoc</span>
  <span class="ruby-identifier">heredoc_tk</span> = <span class="ruby-constant">Token</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">start_tk</span>.<span class="ruby-identifier">line_no</span>, <span class="ruby-identifier">start_tk</span>.<span class="ruby-identifier">char_no</span>, <span class="ruby-value">:on_heredoc</span>, <span class="ruby-identifier">string</span>, <span class="ruby-identifier">prev_tk</span>.<span class="ruby-identifier">state</span>)
  <span class="ruby-ivar">@buf</span>.<span class="ruby-identifier">unshift</span> <span class="ruby-identifier">heredoc_tk</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-get_op_tk" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_op_tk</span><span
                                class="method-args">(tk)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_op_tk-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 544</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_op_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-identifier">redefinable_operators</span> = <span class="ruby-node">%w[! != !~ % &amp; * ** + +@ - -@ / &lt; &lt;&lt; &lt;= &lt;=&gt; == === =~ &gt; &gt;= &gt;&gt; [] []= ^ ` | ~]</span>
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">redefinable_operators</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]) <span class="ruby-keyword">and</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:state</span>] <span class="ruby-operator">==</span> <span class="ruby-constant">EXPR_ARG</span> <span class="ruby-keyword">then</span>
    <span class="ruby-ivar">@inner_lex</span>.<span class="ruby-identifier">lex_state</span> = <span class="ruby-constant">EXPR_ARG</span> <span class="ruby-keyword">unless</span> <span class="ruby-constant">RIPPER_HAS_LEX_STATE</span>
    <span class="ruby-identifier">tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-constant">Ripper</span><span class="ruby-operator">::</span><span class="ruby-constant">Lexer</span>.<span class="ruby-identifier">const_defined?</span>(<span class="ruby-value">:State</span>) <span class="ruby-operator">?</span> <span class="ruby-constant">Ripper</span><span class="ruby-operator">::</span><span class="ruby-constant">Lexer</span><span class="ruby-operator">::</span><span class="ruby-constant">State</span>.<span class="ruby-identifier">new</span>(<span class="ruby-constant">EXPR_ARG</span>) <span class="ruby-operator">:</span> <span class="ruby-constant">EXPR_ARG</span>
    <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] = <span class="ruby-value">:on_ident</span>
  <span class="ruby-keyword">elsif</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>] <span class="ruby-operator">=~</span> <span class="ruby-regexp">/^[-+]$/</span> <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk_ahead</span> = <span class="ruby-identifier">get_squashed_tk</span>
    <span class="ruby-keyword">case</span> <span class="ruby-identifier">tk_ahead</span>[<span class="ruby-value">:kind</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_int</span>, <span class="ruby-value">:on_float</span>, <span class="ruby-value">:on_rational</span>, <span class="ruby-value">:on_imaginary</span> <span class="ruby-keyword">then</span>
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>] <span class="ruby-operator">+=</span> <span class="ruby-identifier">tk_ahead</span>[<span class="ruby-value">:text</span>]
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] = <span class="ruby-identifier">tk_ahead</span>[<span class="ruby-value">:kind</span>]
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk_ahead</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_heredoc_beg</span>, <span class="ruby-value">:on_tstring</span>, <span class="ruby-value">:on_dstring</span> <span class="ruby-comment"># frozen/non-frozen string literal</span>
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>] <span class="ruby-operator">+=</span> <span class="ruby-identifier">tk_ahead</span>[<span class="ruby-value">:text</span>]
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] = <span class="ruby-identifier">tk_ahead</span>[<span class="ruby-value">:kind</span>]
      <span class="ruby-identifier">tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk_ahead</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">else</span>
      <span class="ruby-ivar">@buf</span>.<span class="ruby-identifier">unshift</span> <span class="ruby-identifier">tk_ahead</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">tk</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-get_regexp_tk" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_regexp_tk</span><span
                                class="method-args">(tk)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_regexp_tk-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 442</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_regexp_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-identifier">string</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
  <span class="ruby-identifier">state</span> = <span class="ruby-keyword">nil</span>
  <span class="ruby-identifier">loop</span> <span class="ruby-keyword">do</span>
    <span class="ruby-identifier">inner_str_tk</span> = <span class="ruby-identifier">get_squashed_tk</span>
    <span class="ruby-keyword">if</span> <span class="ruby-identifier">inner_str_tk</span>.<span class="ruby-identifier">nil?</span>
      <span class="ruby-keyword">break</span>
    <span class="ruby-keyword">elsif</span> <span class="ruby-value">:on_regexp_end</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:kind</span>]
      <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:text</span>]
      <span class="ruby-identifier">state</span> = <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:state</span>]
      <span class="ruby-keyword">break</span>
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:text</span>]
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-constant">Token</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">tk</span>.<span class="ruby-identifier">line_no</span>, <span class="ruby-identifier">tk</span>.<span class="ruby-identifier">char_no</span>, <span class="ruby-value">:on_regexp</span>, <span class="ruby-identifier">string</span>, <span class="ruby-identifier">state</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-get_string_tk" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_string_tk</span><span
                                class="method-args">(tk)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_string_tk-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 415</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_string_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-identifier">string</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
  <span class="ruby-identifier">state</span> = <span class="ruby-keyword">nil</span>
  <span class="ruby-identifier">kind</span> = <span class="ruby-value">:on_tstring</span>
  <span class="ruby-identifier">loop</span> <span class="ruby-keyword">do</span>
    <span class="ruby-identifier">inner_str_tk</span> = <span class="ruby-identifier">get_squashed_tk</span>
    <span class="ruby-keyword">if</span> <span class="ruby-identifier">inner_str_tk</span>.<span class="ruby-identifier">nil?</span>
      <span class="ruby-keyword">break</span>
    <span class="ruby-keyword">elsif</span> <span class="ruby-value">:on_tstring_end</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:kind</span>]
      <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:text</span>]
      <span class="ruby-identifier">state</span> = <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:state</span>]
      <span class="ruby-keyword">break</span>
    <span class="ruby-keyword">elsif</span> <span class="ruby-value">:on_label_end</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:kind</span>]
      <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:text</span>]
      <span class="ruby-identifier">state</span> = <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:state</span>]
      <span class="ruby-identifier">kind</span> = <span class="ruby-value">:on_symbol</span>
      <span class="ruby-keyword">break</span>
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">string</span> = <span class="ruby-identifier">string</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:text</span>]
      <span class="ruby-keyword">if</span> <span class="ruby-value">:on_embexpr_beg</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">inner_str_tk</span>[<span class="ruby-value">:kind</span>] <span class="ruby-keyword">then</span>
        <span class="ruby-identifier">kind</span> = <span class="ruby-value">:on_dstring</span> <span class="ruby-keyword">if</span> <span class="ruby-value">:on_tstring</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">kind</span>
      <span class="ruby-keyword">end</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-constant">Token</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">tk</span>.<span class="ruby-identifier">line_no</span>, <span class="ruby-identifier">tk</span>.<span class="ruby-identifier">char_no</span>, <span class="ruby-identifier">kind</span>, <span class="ruby-identifier">string</span>, <span class="ruby-identifier">state</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-get_symbol_tk" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_symbol_tk</span><span
                                class="method-args">(tk)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_symbol_tk-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 368</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_symbol_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-identifier">is_symbol</span> = <span class="ruby-keyword">true</span>
  <span class="ruby-identifier">symbol_tk</span> = <span class="ruby-constant">Token</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">tk</span>.<span class="ruby-identifier">line_no</span>, <span class="ruby-identifier">tk</span>.<span class="ruby-identifier">char_no</span>, <span class="ruby-value">:on_symbol</span>)
  <span class="ruby-keyword">if</span> <span class="ruby-string">&quot;:&#39;&quot;</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>] <span class="ruby-keyword">or</span> <span class="ruby-string">&#39;:&quot;&#39;</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>] <span class="ruby-keyword">or</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>].<span class="ruby-identifier">start_with?</span>(<span class="ruby-string">&#39;%s&#39;</span>)
    <span class="ruby-identifier">tk1</span> = <span class="ruby-identifier">get_string_tk</span>(<span class="ruby-identifier">tk</span>)
    <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:text</span>]
    <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
  <span class="ruby-keyword">else</span>
    <span class="ruby-keyword">case</span> (<span class="ruby-identifier">tk1</span> = <span class="ruby-identifier">get_squashed_tk</span>)[<span class="ruby-value">:kind</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_ident</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_tstring_content</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">get_squashed_tk</span>[<span class="ruby-value">:state</span>] <span class="ruby-comment"># skip :on_tstring_end</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_tstring_end</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_op</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_ivar</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_cvar</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_gvar</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_const</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:on_kw</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:text</span>] = <span class="ruby-node">&quot;:#{tk1[:text]}&quot;</span>
      <span class="ruby-identifier">symbol_tk</span>[<span class="ruby-value">:state</span>] = <span class="ruby-identifier">tk1</span>[<span class="ruby-value">:state</span>]
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">is_symbol</span> = <span class="ruby-keyword">false</span>
      <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">tk1</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">is_symbol</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">symbol_tk</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">tk</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-get_words_tk" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_words_tk</span><span
                                class="method-args">(tk)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_words_tk-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 506</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_words_tk</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-identifier">string</span> = <span class="ruby-string">&#39;&#39;</span>
  <span class="ruby-identifier">start_token</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
  <span class="ruby-identifier">start_quote</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>].<span class="ruby-identifier">rstrip</span>[<span class="ruby-value">-1</span>]
  <span class="ruby-identifier">line_no</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:line_no</span>]
  <span class="ruby-identifier">char_no</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:char_no</span>]
  <span class="ruby-identifier">state</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:state</span>]
  <span class="ruby-identifier">end_quote</span> =
    <span class="ruby-keyword">case</span> <span class="ruby-identifier">start_quote</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">?(</span> <span class="ruby-keyword">then</span> <span class="ruby-value">?)</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">?[</span> <span class="ruby-keyword">then</span> <span class="ruby-value">?]</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">?{</span> <span class="ruby-keyword">then</span> <span class="ruby-value">?}</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">?&lt;</span> <span class="ruby-keyword">then</span> <span class="ruby-value">?&gt;</span>
    <span class="ruby-keyword">else</span> <span class="ruby-identifier">start_quote</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">end_token</span> = <span class="ruby-keyword">nil</span>
  <span class="ruby-identifier">loop</span> <span class="ruby-keyword">do</span>
    <span class="ruby-identifier">tk</span> = <span class="ruby-identifier">get_squashed_tk</span>
    <span class="ruby-keyword">if</span> <span class="ruby-identifier">tk</span>.<span class="ruby-identifier">nil?</span>
      <span class="ruby-identifier">end_token</span> = <span class="ruby-identifier">end_quote</span>
      <span class="ruby-keyword">break</span>
    <span class="ruby-keyword">elsif</span> <span class="ruby-value">:on_tstring_content</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] <span class="ruby-keyword">then</span>
      <span class="ruby-identifier">string</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
    <span class="ruby-keyword">elsif</span> <span class="ruby-value">:on_words_sep</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] <span class="ruby-keyword">or</span> <span class="ruby-value">:on_tstring_end</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] <span class="ruby-keyword">then</span>
      <span class="ruby-keyword">if</span> <span class="ruby-identifier">end_quote</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>].<span class="ruby-identifier">strip</span> <span class="ruby-keyword">then</span>
        <span class="ruby-identifier">end_token</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
        <span class="ruby-keyword">break</span>
      <span class="ruby-keyword">else</span>
        <span class="ruby-identifier">string</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
      <span class="ruby-keyword">end</span>
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">string</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>]
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">text</span> = <span class="ruby-node">&quot;#{start_token}#{string}#{end_token}&quot;</span>
  <span class="ruby-constant">Token</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">line_no</span>, <span class="ruby-identifier">char_no</span>, <span class="ruby-value">:on_dstring</span>, <span class="ruby-identifier">text</span>, <span class="ruby-identifier">state</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-heredoc_end-3F" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">heredoc_end?</span><span
                                class="method-args">(name, indent, tk)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="heredoc_end-3F-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 494</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">heredoc_end?</span>(<span class="ruby-identifier">name</span>, <span class="ruby-identifier">indent</span>, <span class="ruby-identifier">tk</span>)
  <span class="ruby-identifier">result</span> = <span class="ruby-keyword">false</span>
  <span class="ruby-keyword">if</span> <span class="ruby-value">:on_heredoc_end</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk</span>[<span class="ruby-value">:kind</span>] <span class="ruby-keyword">then</span>
    <span class="ruby-identifier">tk_name</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>].<span class="ruby-identifier">chomp</span>
    <span class="ruby-identifier">tk_name</span>.<span class="ruby-identifier">lstrip!</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">indent</span>
    <span class="ruby-keyword">if</span> <span class="ruby-identifier">name</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">tk_name</span>
      <span class="ruby-identifier">result</span> = <span class="ruby-keyword">true</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">result</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-retrieve_heredoc_info" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">retrieve_heredoc_info</span><span
                                class="method-args">(tk)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="retrieve_heredoc_info-source">
            <pre><span class="ruby-comment"># File rdoc/parser/ripper_state_lex.rb, line 488</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">retrieve_heredoc_info</span>(<span class="ruby-identifier">tk</span>)
  <span class="ruby-identifier">name</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>].<span class="ruby-identifier">gsub</span>(<span class="ruby-regexp">/\A&lt;&lt;[-~]?([&#39;&quot;`]?)(.+)\1\z/</span>, <span class="ruby-string">&#39;\2&#39;</span>)
  <span class="ruby-identifier">indent</span> = <span class="ruby-identifier">tk</span>[<span class="ruby-value">:text</span>] <span class="ruby-operator">=~</span> <span class="ruby-regexp">/\A&lt;&lt;[-~]/</span>
  [<span class="ruby-identifier">name</span>, <span class="ruby-identifier">indent</span>]
<span class="ruby-keyword">end</span></pre>
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